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Jensen SP Automatic

(1971 model)

Brief specs of 1971 Jensen SP Automatic

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 7206 cm3 / 439.7 cu in / 439.7 cu in, 287.1 kW / 385.0 hp / 385.0 hp @ 4700 rpm / 4700 rpm / 4700 rpm, 556.0 N·m / 410.1 lb·ft / 410.1 lb·ft @ 3600 rpm / 3600 rpm / 3600 rpm, automatic 3-speed transmission, rear wheel drive, 230 km/h / 143 mph / 143 mph top speed

units: metric UK US

Basic (general) data

Marque (make)JensenIssued from1971
ModelSP AutomaticIssued until
SerieSPNumber made232
Model familyBody construction
Model codeBody designation
ManufacturerJensenCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerTouringCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4775 mm / 188.0 in / 188.0 inTotal (curb) weight1783 kg / 3931 lb / 3931 lb
Width1753 mm / 69.0 in / 69.0 inDry weight
Height1359 mm / 53.5 in / 53.5 inLoad capacity
Wheelbase2667 mm / 105.0 in / 105.0 inGross (max.) weight
Track front1448 mm / 57.0 in / 57.0 inTowing weight
Track rear1448 mm / 57.0 in / 57.0 inWeight distribution (front)52.0 % / 52.0 % / 52.0 %
Ground clearance140 mm / 5.5 in / 5.5 inFuel capacity91 l / 20.0 UK gal / 24.0 US gal
Length/wheelbase ratio1.79  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.02 m2 / 21.8 sq ft / 21.8 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine (V8)Total number of valves16
Engine ManufacturerChryslerValves per cylinder2
Engine constructioncast iron block & headBore109.7 mm / 4.32 in / 4.32 in
Fuelpetrol (gasoline)Stroke95.3 mm / 3.75 in / 3.75 in
Fuel detailsBore/Stroke ratio1.15
Fuel supply3 Ho carbsEngine displacement7206 cm3 / 439.7 cu in / 439.7 cu in
Engine Main bearings5Unitary capacity900.75 cm3/cylinder / 54.967 cu in/cylinder / 54.967 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio10.3 : 1
SumpwetMax. output power287.1 kW / 385.0 hp / 385.0 hp at 4700 rpm / 4700 rpm / 4700 rpm
AspirationnaturalMax. torque556.0 N·m / 410.1 lb·ft / 410.1 lb·ft at 3600 rpm / 3600 rpm / 3600 rpm
Compressor typeN/AMaximum rpm5200 rpm / 5200 rpm / 5200 rpm
IntercoolernoMax. net output (power at the wheels)83.9 kW / 112.6 hp / 112.6 hp (est.)
CoolantwaterSpecific output39.8 kW/l / 0.876 bhp/cu in / 0.876 bhp/cu in
Catalytic converternoSpecific torque77.2 N·m/l / 0.67 lb·ft/cu in / 0.67 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio2.88

Performance

Acceleration 0-50 mph (80 km/h)5.90 s / 5.90 s / 5.90 sTop (maximal) speed230 km/h / 143 mph / 143 mph
Acceleration 0-60 mph (97 km/h)7.60 s / 7.60 s / 7.60 sPower-to-weight ratio215.9 kW/ton / 163.6 bhp/ton / 163.6 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)18.50 s / 18.50 s / 18.50 sFuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrack & pinion PASSteering details
Turns lock-to-lock3.4Turning circle11.6 m / 38.1 ft / 38.1 ft
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springsSuspension rearLive axle, Semi-elliptic leaf springs
Wheels front6.5JK x 15Wheels rear6.5JK x 15
Tyres frontPirelli GR 70 VR 15Tyres rearPirelli GR 70 VR 15
Brakes frontventilated discBrakes rearventilated disc
Brake diameter front273 mm / 10.7 in / 10.7 inBrake diameter rear273 mm / 10.7 in / 10.7 in
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Jensen SP Automatic

Infobox

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